Push buttons: Various kind of buttons can provide your difference choice. Structure including : microwave ,trigger , in ductive , inner vation style. Which appearance style including . rounds ,square ,rectangle .ploy gan . oval style. Surface material : Stainless steel resin, pvc plastic , response colors including red .green .blue £¬white£¬orange which may made as your request Especial we made one new and very thick 1.5mm buttons which supplied big qty .which had realized fakltten style which solve parallel move technology of other button .And this got invention and look utility model three patent.